Math Problem Statement

A successful basketball player has a height of 6 feet 10 ​inches, or 208 cm. Based on statistics from a data​ set, his height converts to the z score of 4.81. How many standard deviations is his height above the​ mean? Question content area bottom Part 1 The​ player's height is    enter your response here standard​ deviation(s) above the mean. ​(Round to two decimal places as​ needed.)

Solution

We can use the formula for calculating the z-score to determine how many standard deviations a player's height is above the mean. The formula for the z-score is:

z=xμσz = \frac{x - \mu}{\sigma}

where:

  • zz is the z-score,
  • xx is the value (player's height),
  • μ\mu is the mean height,
  • σ\sigma is the standard deviation.

In this case, we are given the player's z-score of z=4.81z = 4.81. The z-score represents how many standard deviations the player's height is above or below the mean. Since the z-score is already provided as 4.81, this means:

The player’s height is 4.81 standard deviations above the mean.\text{The player's height is 4.81 standard deviations above the mean.}

So, the player's height is 4.81 standard deviations above the mean.

Would you like a breakdown of the formula or further explanation?

Here are 5 related questions to expand on this:

  1. How is the z-score interpreted in relation to probability distributions?
  2. If the player's height was 2 standard deviations above the mean, what would his z-score be?
  3. How can you calculate the mean and standard deviation from a given set of data?
  4. What does a negative z-score indicate about a value in relation to the mean?
  5. How can z-scores help in comparing values from different distributions?

Tip: Z-scores allow you to compare data points from different distributions by standardizing them in terms of their relative position to the mean.

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Math Problem Analysis

Mathematical Concepts

Statistics
Z-Score
Standard Deviation
Mean

Formulas

z = (x - μ) / σ

Theorems

Z-Score Formula

Suitable Grade Level

Grades 9-12